package sec03.exam04_jtabbedpane;

import java.awt.BorderLayout;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.SwingUtilities;

public class JTabbedPaneExample extends JFrame {
    private JTabbedPane jTabbedPane;
    private JPanel tab1Panel;
    private JPanel tab2Panel;

    public JTabbedPaneExample() {
        this.setTitle("JTabbedPaneExample");
        this.setSize(300, 200);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.getContentPane().add(getJTabbedPane(), BorderLayout.CENTER);
    }

    private JTabbedPane getJTabbedPane() {
        if (jTabbedPane == null) {
            jTabbedPane = new JTabbedPane();
            jTabbedPane.setTabPlacement(JTabbedPane.LEFT); // 탭 위치 (LEFT, TOP, BOTTOM, RIGHT)
            jTabbedPane.addTab("탭1", getTab1Panel());
            jTabbedPane.addTab("탭2", getTab2Panel());
        }
        return jTabbedPane;
    }

    private JPanel getTab1Panel() {
        if (tab1Panel == null) {
            tab1Panel = new JPanel();
            JLabel jLabel = new JLabel();
            jLabel.setIcon(new ImageIcon(getClass().getResource("duke1.gif")));
            tab1Panel.add(jLabel);
        }
        return tab1Panel;
    }

    private JPanel getTab2Panel() {
        if (tab2Panel == null) {
            tab2Panel = new JPanel();
            JLabel jLabel = new JLabel();
            jLabel.setIcon(new ImageIcon(getClass().getResource("duke2.gif")));
            tab2Panel.add(jLabel);
        }
        return tab2Panel;
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> {
            JTabbedPaneExample jFrame = new JTabbedPaneExample();
            jFrame.setVisible(true);
        });
    }
}